208964768 has 24 divisors (see below), whose sum is σ = 411721632. Its totient is φ = 104400576.

The previous prime is 208964761. The next prime is 208964783. The reversal of 208964768 is 867469802.

It is not an unprimeable number, because it can be changed into a prime (208964761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77621 + ... + 80267.

It is an arithmetic number, because the mean of its divisors is an integer number (17155068).

Almost surely, 2^208964768 is an apocalyptic number.

It is an amenable number.

208964768 is a deficient number, since it is larger than the sum of its proper divisors (202756864).

208964768 is a wasteful number, since it uses less digits than its factorization.

208964768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5124 (or 5116 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 50.

The square root of 208964768 is about 14455.6137192442. The cubic root of 208964768 is about 593.4138655436.

The spelling of 208964768 in words is "two hundred eight million, nine hundred sixty-four thousand, seven hundred sixty-eight".